1. GYLLTOFT, K.: NORELIUS Å. Bärförmägu hos byggnadsställningar - teknisk utvärdering. (Load-Carrying Capacity of Scaffolds - Technical Evaluation). In Swedish. SP. Swedish National Testing and Research Inst. Building Technology. Borås. SP RAPPORT 1990:35.
2. SP-METOD 1172. Prefabricated Scaffolds - Load-Carrying Capacity. In English. ibid. 1992.
3. MROZ, K. Bärförmäga hos byggnadsställningar - parameterstiidie. (Load-Carrying Capacity of Scaffolds - Parameter Study). In Swedish, ibid. 1993: 33.
4. CEN (Comité Europeen de Normalisation). SS-HD 1000. Senice and Working Scaffolds Made of Prefabricated Elements - Materials, Dimensions. Design loads and Safety Requirements. Brussels. 1988.
5. CEN/TC53-WG2. Working Document of HD 1ÜXX Senice and Working Scaffolds Made of Prefabricated Elements - Design and Assessment by Calculation and Test. No 73. FMPA. Stuttgart. April 1993.